Book Image

Hands-On Network Programming with C# and .NET Core

By : Sean Burns
Book Image

Hands-On Network Programming with C# and .NET Core

By: Sean Burns

Overview of this book

The C# language and the .NET Core application framework provide the tools and patterns required to make the discipline of network programming as intuitive and enjoyable as any other aspect of C# programming. With the help of this book, you will discover how the C# language and the .NET Core framework make this possible. The book begins by introducing the core concepts of network programming, and what distinguishes this field of programming from other disciplines. After this, you will gain insights into concepts such as transport protocols, sockets and ports, and remote data streams, which will provide you with a holistic understanding of how network software fits into larger distributed systems. The book will also explore the intricacies of how network software is implemented in a more explicit context, by covering sockets, connection strategies such as Transmission Control Protocol (TCP) and User Datagram Protocol (UDP), asynchronous processing, and threads. You will then be able to work through code examples for TCP servers, web APIs served over HTTP, and a Secure Shell (SSH) client. By the end of this book, you will have a good understanding of the Open Systems Interconnection (OSI) network stack, the various communication protocols for that stack, and the skills that are essential to implement those protocols using the C# programming language and the .NET Core framework.
Table of Contents (26 chapters)
Free Chapter
1
Section 1: Foundations of Network Architecture
6
Section 2: Communicating Over Networks
10
Section 3: Application Protocols and Connection Handling
15
Section 4: Security, Stability, and Scalability
21
Section 5: Advanced Subjects

Networks in a Nutshell

It's hard to imagine that anyone reading this book doesn't have some intuitive idea of what a network actually is. As I write this introduction, I'm surrounded by no fewer than six distinct, network-connected devices within arm's reach. Even before I began a career in software engineering, I could have given a reasonably accurate description of what constitutes a network. However, no amount of intuition about what networks are or what might run on them, nor the use of software running on distributed systems, can account for the impact of a distributed architecture on your code. It's that impact on your software design and implementation decisions that we'll cover in this chapter.

We'll try to nail down a concrete definition of a network, and we'll consider the new problems you'll need to solve when writing software...